xpt2046.h

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#ifndef INC_XPT2046_H_
#define INC_XPT2046_H_
 
#include "main.h"
 
#define XPT2046_HOR_RES                 240         
#define XPT2046_VER_RES                 320         
#define XPT2046_MAX_SAMPLES             100         
typedef enum
{
    XPT2046_PRESSED,          
    XPT2046_NOT_PRESSED       
} XPT2046States_t;
 
 
typedef struct
{
    float alpha;              
    float beta;               
    float delta;              
} XPT2046CalibrationValues_t;
 
 
typedef struct
{
    uint16_t x;               
    uint16_t y;               
} XPT2046Coordinates_t;
 
 
typedef struct
{
    XPT2046CalibrationValues_t x_calib_values;  
    XPT2046CalibrationValues_t y_calib_values;  
    XPT2046Coordinates_t last_coor;             
    XPT2046States_t state;                      
} XPT2046Handle_t;
 
 
uint8_t XPT2046_ReadIRQPin(void);
 
 
void XPT2046_ReadRawData(uint16_t *x, uint16_t *y);
 
 
void XPT2046_ReadData(XPT2046Handle_t *handle);
 
 
void XPT2046_IRQHandler(XPT2046Handle_t *handle);
 
 
void XPT2046_CallBack(XPT2046Handle_t *handle) __attribute__((weak));
 
 
void XPT2046_Calibrate(XPT2046Handle_t *handle);
 
 
void XPT2046_SetCalibrationValues(XPT2046Handle_t *handle, XPT2046CalibrationValues_t *x_calib, XPT2046CalibrationValues_t *y_calib);
 
 
void XPT2046_GetCalibrationValues(XPT2046Handle_t *handle, XPT2046CalibrationValues_t *x_calib, XPT2046CalibrationValues_t *y_calib);
 
 
void XPT2046_Test(XPT2046Handle_t *handle);
 
 
#endif /* INC_XPT2046_H_ */